Bitter Fleabane - Erigeron acris ssp. debilis
See species description.
Lesica (2012) separates variety debilis from var. kamtschaticus by the following characters: stems less than 30 cm tall; heads 1-6; plants usually fibrous-rooted.
Western North America, from AK east to MT, south to CA, UT, CO and NM (Kartesz 2009).
- Additional ReferencesLegend: View Online Publication
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- Lesica, P., M. T. Lavin, and P. F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.